<template>
  <div class="tab-control">
   <div v-for="(item, index) in titles"
       :key="(item,index)" class="tab-control-item"
       :class="{active: index===currentIndex}"
       @click="itemClick(index)">
          <span>{{item}}</span>
      </div>
  </div>
</template>

<script>
export default {
  name:"TabControl",
  props:{
    titles:{
      type:Array,
      default(){
        return []
      }
    }
  },
  data(){
    return{
      currentIndex:0,
    }
  },
  methods: {
    itemClick(index) {
      this.currentIndex = index;
      //自定义事件
       this.$emit('tabClick', index);
    }
  }
}
</script>

<style>
 .tab-control {
   display: flex;
   text-align: center;
   font-size: 16px;
   height: 40px;
   line-height: 40px;
   background-color: #fff;
 }

 .tab-control-item {
   flex: 1;
 }

.tab-control-item span {
  padding: 5px;
}

.active {
  color: var(--color-high-text);

}

.active span{
  border-bottom: 3px solid var(--color-tint);
}
</style>